The Helmet,flyer's, cataloged under National Stock Number 8475-00-634-5527, is classified within Federal Supply Class 8475 (Specialized Flight Clothing and Accessories) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-00-634-5527 |
| Item Name | Helmet,flyer's |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Status | ACTIVE |
| Garment Size | SMALL |
| Coating Substance | PLASTIC, PHENOLIC RESIN, GLASS FIBER BASE OUTSIDE |
| Headwear Type | HELMET |
| Communication Equipment | HEADSET H-75/AIC |
| Headwear Fastening Method | CHIN STRAP, WITH ADJUSTING BUCKLE |
| Color | WHITE MAIN BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILH7328BTYPEP4A | 4/1 Identification reference U.S. Government activity |
NSN 8475-00-634-5527 is a Helmet,flyer's, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 8475-00-634-5528. Verify interchangeability with system specifications before substitution.
Key specifications for 8475-00-634-5527: Garment Size: SMALL; Coating Substance: PLASTIC, PHENOLIC RESIN, GLASS FIBER BASE OUTSIDE; Headwear Type: HELMET; Communication Equipment: HEADSET H-75/AIC. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 8475-00-634-5527 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.